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Dateien hochladen nach „REST“ 

update wrong paths endpoint
main
Thomas Hassenstein 2023-06-13 20:55:36 +02:00
parent ee8eba4c11
commit b1b667f4e0
1 changed files with 47 additions and 31 deletions
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78
REST/app.py
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@ -1,14 +1,16 @@
import subprocess import subprocess
import json import json
import time import time
from flask import Flask, request, jsonify, session from flask import Flask, request, jsonify
from I2C_Function import analyze_data, read_data from I2C_Function import analyze_data, read_data
from flask_cors import CORS from flask_cors import CORS
from threading import Lock
app = Flask(__name__) app = Flask(__name__)
CORS(app) CORS(app)
initialized = False initialized = False
lock = Lock() # Sperre (Lock) für die analyze_data-Methode
def create_response(status_code, description): def create_response(status_code, description):
return jsonify({ return jsonify({
@ -20,49 +22,57 @@ def create_response(status_code, description):
def initialize_generator(): def initialize_generator():
global initialized global initialized
result = analyze_data(int(1), int(1), startup=True) if initialized:
return create_response(200, 'System is already initialised, random numbers can be requested')
with lock: # Sperre (Lock) verwenden, um sicherzustellen, dass nur ein Thread die Methode ausführt
result = analyze_data(int(1), int(1), startup=True)
if result is True: if result is True:
initialized = True initialized = True
return create_response(200, 'Successful operation; random number generator is ready and random numbers can be requested') return create_response(200, 'Successful operation; random number generator is ready and random numbers can be requested')
if result == 400: if result == 400:
return create_response(543, 'Tests failed, try again') return create_response(543, 'Tests failed, try again')
if result is False: if result is False:
return create_response(500, 'Unable to generate random numbers. Restart/Reset System') return create_response(500, 'Unable to generate random numbers. Restart/Reset System')
else: else:
return create_response(555, 'Unable to initialize the random number generator within a timeout of 60 seconds') return create_response(555, 'Unable to initialize the random number generator within a timeout of 60 seconds')
@app.route('/trng/randomNum/getRandom', methods=['GET']) @app.route('/trng/randomNum/getRandom', methods=['GET'])
def get_random_numbers(): def get_random_numbers():
global initialized global initialized
quantity = request.args.get('quantity') quantity = request.args.get('quantity', default=1)
bits = request.args.get('numBits') bits = request.args.get('numBits', default=1)
if not quantity.isdigit() or not bits.isdigit(): try:
quantity = int(quantity)
bits = int(bits)
except ValueError:
return create_response(400, 'Invalid input. Quantity and bits must be numeric') return create_response(400, 'Invalid input. Quantity and bits must be numeric')
if int(quantity) <= 0 or int(bits) <= 0: if quantity <= 0 or bits <= 0:
return create_response(400, 'Invalid input. Quantity and bits must be positive integers') return create_response(400, 'Invalid input. Quantity and bits must be positive integers')
if not initialized: if not initialized:
return create_response(432, 'System not ready; try init') return create_response(432, 'System not ready; try init')
random_numbers = analyze_data(int(quantity), int(bits), startup=False) with lock: # Sperre (Lock) verwenden, um sicherzustellen, dass nur ein Thread die Methode ausführt
random_numbers = analyze_data(quantity, bits, startup=False)
if random_numbers == 400: if random_numbers == 400:
return create_response(500, 'Tests failed, try again') return create_response(543, 'Tests failed, try again')
if random_numbers is False: if random_numbers is False:
return create_response(500, 'Unable to generate random numbers. Restart/Reset System') return create_response(500, 'Unable to generate random numbers. Restart/Reset System')
if random_numbers: if random_numbers:
data = { data = {
'status': 200, 'status': 200,
'description': 'Successful operation; HEX-encoded bit arrays (with leading zeros if required)', 'description': 'Successful operation; HEX-encoded bit arrays (with leading zeros if required)',
'randomNumbers': random_numbers 'randomNumbers': random_numbers
} }
return jsonify(data) return jsonify(data)
else: else:
return create_response(500, 'Unable to generate random numbers.') return create_response(500, 'Unable to generate random numbers.')
@app.route('/trng/randomNum/shutdown', methods=['GET']) @app.route('/trng/randomNum/shutdown', methods=['GET'])
def shutdown_generator(): def shutdown_generator():
@ -71,6 +81,12 @@ def shutdown_generator():
initialized = False initialized = False
return create_response(200, "Successful operation; random number generator has been set to 'standby mode'") return create_response(200, "Successful operation; random number generator has been set to 'standby mode'")
# Fehlerbehandlungsroutine für nicht übereinstimmende Routen
@app.route('/', defaults={'path': ''})
@app.route('/<path:path>')
def handle_invalid_routes(path):
return create_response(404, 'Route not found')
if __name__ == '__main__': if __name__ == '__main__':